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<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.googlecode.transloader.clone.reflect;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.math.BigDecimal;
<a name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.math.BigInteger;
<a name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.util.List;
<a name="7" href="#7">7</a>   
<a name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> com.googlecode.transloader.Assert;
<a name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> com.googlecode.transloader.ClassWrapper;
<a name="10" href="#10">10</a>  
<a name="11" href="#11">11</a>  <em class="jxr_javadoccomment">/**</em>
<a name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> * When injected into a {@link ReflectionCloningStrategy}, decides that only those objects whose &lt;code&gt;Class&lt;/code&gt;es</em>
<a name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> * would be different if loaded through the other &lt;code&gt;ClassLoader&lt;/code&gt; should be cloned.</em>
<a name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> * </em>
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> * @author Jeremy Wales</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> */</em>
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/googlecode/transloader/clone/reflect/MinimalCloningDecisionStrategy.html">MinimalCloningDecisionStrategy</a> implements <a href="../../../../../com/googlecode/transloader/clone/reflect/CloningDecisionStrategy.html">CloningDecisionStrategy</a> {
<a name="18" href="#18">18</a>  	<em class="jxr_comment">// TODO test BigInteger and BigDecimal</em>
<a name="19" href="#19">19</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> List KNOWN_SHARED_IMMUTABLES =
<a name="20" href="#20">20</a>  			Arrays.asList(<strong class="jxr_keyword">new</strong> Class[] {String.<strong class="jxr_keyword">class</strong>, BigInteger.<strong class="jxr_keyword">class</strong>, BigDecimal.<strong class="jxr_keyword">class</strong>});
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment">	 * Decides that the given object should be shallow copied if its &lt;code&gt;Class&lt;/code&gt; would be different when loaded</em>
<a name="24" href="#24">24</a>  <em class="jxr_javadoccomment">	 * through the given &lt;code&gt;ClassLoader&lt;/code&gt;.</em>
<a name="25" href="#25">25</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="26" href="#26">26</a>  <em class="jxr_javadoccomment">	 * @param original the candidate for cloning</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment">	 * @param targetClassLoader the &lt;code&gt;ClassLoader&lt;/code&gt; it may be cloned with</em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment">	 * @return &lt;code&gt;true&lt;/code&gt; if &lt;code&gt;original&lt;/code&gt;'s &lt;code&gt;Class&lt;/code&gt; would be different when loaded</em>
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment">	 *         through &lt;code&gt;targetClassLoader&lt;/code&gt;</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="31" href="#31">31</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> shouldCloneObjectItself(Object original, ClassLoader targetClassLoader) {
<a name="32" href="#32">32</a>  		Assert.areNotNull(original, targetClassLoader);
<a name="33" href="#33">33</a>  		<strong class="jxr_keyword">return</strong> !isSameInClassLoader(original.getClass(), targetClassLoader);
<a name="34" href="#34">34</a>  	}
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isSameInClassLoader(Class originalClass, ClassLoader targetClassLoader) {
<a name="37" href="#37">37</a>  		<strong class="jxr_keyword">return</strong> originalClass.equals(ClassWrapper.getClass(originalClass.getName(), targetClassLoader));
<a name="38" href="#38">38</a>  	}
<a name="39" href="#39">39</a>  
<a name="40" href="#40">40</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment">	 * Decides to not even consider cloning the objects referenced by the given object if it is known to an immutable</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment">	 * object shared of a type shared among all &lt;code&gt;ClassLoader&lt;/code&gt;s e.g. primitive wrappers and</em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment">	 * &lt;code&gt;String&lt;/code&gt;s.</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment">	 * @param original the candidate for cloning</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment">	 * @param targetClassLoader the &lt;code&gt;ClassLoader&lt;/code&gt; it may be cloned with; ignored in this implementation</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment">	 * @return &lt;code&gt;true&lt;/code&gt; unless &lt;code&gt;original&lt;/code&gt;'s &lt;code&gt;Class&lt;/code&gt; makes it a known immutable of</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment">	 *         type shared among all &lt;code&gt;ClassLoader&lt;/code&gt;s</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="50" href="#50">50</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> shouldCloneObjectContent(Object original, ClassLoader targetClassLoader) {
<a name="51" href="#51">51</a>  		Assert.areNotNull(original, targetClassLoader);
<a name="52" href="#52">52</a>  		<strong class="jxr_keyword">return</strong> !isEffectivelyPrimitive(original.getClass());
<a name="53" href="#53">53</a>  	}
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isEffectivelyPrimitive(Class originalClass) {
<a name="56" href="#56">56</a>  		<strong class="jxr_keyword">return</strong> FieldReflector.PRIMITIVE_WRAPPERS.contains(originalClass) || KNOWN_SHARED_IMMUTABLES.contains(originalClass);
<a name="57" href="#57">57</a>  	}
<a name="58" href="#58">58</a>  }
</pre>
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